NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Tieng Meng Tan, O.D.

Optometrist in San Gabriel, CA · enumerated 2006 · practices at Tieng Tan, O.D. Inc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1467561084

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Registry record

Entity type Individual (Type 1)
Name Dr. Tieng Meng Tan
Credential O.D.
Sex Male
Practice address San Gabriel, CA, 91776
Enumeration date Aug 29, 2006
Last updated in NPPES Feb 19, 2014

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 13131 (CA) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Tieng Tan?
The National Provider Identifier (NPI) for Tieng Tan is 1467561084, a Type 1 (individual) record in the CMS NPPES registry.
Where does Tieng Tan practice?
The practice location on file with NPPES is in San Gabriel, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-19.